●Effective callus removal: the sunivaca callus remover dual action provides easy and gentle foot care for smooth and soft skin in no time. ●Nano technology: The special nano technology removes even extreme calluses easily and effectively. The coarse side removes calluses and rough skin, while the fine side smooths the skin. ●EASY TO USE The ergonomic design with comfortable handle makes it easier to file the calluses. It is user-friendly for everyone, including those with dexterity problems, arthritis or small hands. ●Durable, robust and environmentally friendly: the sunivaca glass base file is made of top materials and can be used thousands of times. Unlike Electric Foot File Hard Skin Removers, you dont have to worry about charging or buying replacement rollers. ●BEAUTIFUL APPEARANCE & HYGIENIC The seamless callus remover is easy to clean and comes with a stand that prevents the tool from soiling your floor or scratching your bathroom. The elegant design will enhance the look of your bathroom.